Mattress topper or pad



FIG. 1 is a top plan view of a mattress topper or pad showing my new design;

FIG. 2 is a side elevational view of the mattress topper or pad of FIG. 1, wherein the opposite side elevational view is identical thereto;

FIG. 3 is an end elevational view of the mattress topper or pad of FIG. 1, wherein the opposite end elevational view is identical thereto;

FIG. 4 is a bottom plan view of the mattress topper or pad of FIG. 1; and,

FIG. 5 is a fragmented enlarged top, end and side perspective view of a corner of the mattress topper or pad of FIG. 1. 

The ornamental design for a mattress topper or pad, as shown and described. 